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NEET Exam  >  NEET Tests  >  Additional Study Material for NEET  >  Assertion Reason Test: Cell Cycle & Cell Division - NEET MCQ

Assertion Reason Test: Cell Cycle & Cell Division - NEET MCQ


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10 Questions MCQ Test Additional Study Material for NEET - Assertion Reason Test: Cell Cycle & Cell Division

Assertion Reason Test: Cell Cycle & Cell Division for NEET 2024 is part of Additional Study Material for NEET preparation. The Assertion Reason Test: Cell Cycle & Cell Division questions and answers have been prepared according to the NEET exam syllabus.The Assertion Reason Test: Cell Cycle & Cell Division MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion Reason Test: Cell Cycle & Cell Division below.
Solutions of Assertion Reason Test: Cell Cycle & Cell Division questions in English are available as part of our Additional Study Material for NEET for NEET & Assertion Reason Test: Cell Cycle & Cell Division solutions in Hindi for Additional Study Material for NEET course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Assertion Reason Test: Cell Cycle & Cell Division | 10 questions in 10 minutes | Mock test for NEET preparation | Free important questions MCQ to study Additional Study Material for NEET for NEET Exam | Download free PDF with solutions
Assertion Reason Test: Cell Cycle & Cell Division - Question 1
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A: Endomitosis does not cause karyokinesis or cytokinesis.

R: In endomitosis, mitosis occurs within the nucleus.

Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 1
Endomitosis involves multiplication of chromosomes without karyokinesis and cytokinesis.

Assertion Reason Test: Cell Cycle & Cell Division - Question 2
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A: Synaptonemal complex develops between two synapsed homologous chromosomes.

R: Mitosis cannot be completed without the synaptonemal complex.Options~

1. If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.

2. If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion.

3. If the Assertion is a true statement, but Reason is false.

4. If both Assertion and Reason are false statements.


Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 2

Meiosis can not be completed without the synaptonemal complex.

 

 

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Assertion Reason Test: Cell Cycle & Cell Division - Question 3
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A: During anaphase-II, chromatids of a chromosome separate.

R: Centromere of a mitotic chromosome divides during anaphase.

Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 3
Meiosis II and mitosis both are equational division and involve splitting of centromere at anaphase-II and anaphase respectively.

Assertion Reason Test: Cell Cycle & Cell Division - Question 4
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A: Dictyotene stage occurs in females only.

R: Gametogenesis rests for a long period at the diplotene stage in females.
Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 4
Dictyotene occurs in oocyctes.

Assertion Reason Test: Cell Cycle & Cell Division - Question 5
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A: Each chromosome of bivalent attaches with two spindles in metaphase.

R: In metaphase, bivalents migrate towards the metaphasic plate.
Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 5
Each chromosome of bivalent attachments with a single spindle in Metaphase I. In Metaphase I one chromosome from each homologous pair migrate towards the pole.

Assertion Reason Test: Cell Cycle & Cell Division - Question 6
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A: G2-phase is a pre-mitotic phase.

R: Chromosomes undergo condensation in this phase.
Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 6
Proteins and organelles like mitochondria and chloroplast duplicate in G2-phase.

Assertion Reason Test: Cell Cycle & Cell Division - Question 7
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A: Anaphase-I is the actual phase of reduction in the number of chromosomes.

R: Homologous chromosomes move to the opposite poles with both their chromatids.
Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 7
Anaphase-I involves the splitting of homologous chromosomes.

Assertion Reason Test: Cell Cycle & Cell Division - Question 8
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A: Golgi bodies and ER disappear in early prophase.

R: Their reorganisation stage is anaphase.
Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 8

In mitosis, prophase is the longest phase of karyokinesis.In early prophase, nuclear membranes, nucleolus start disintegrating. cells cytoskeleton, Golgi complex, ER, etc disappear.

Their reorganisation occurs in telophase.

 

 

Assertion Reason Test: Cell Cycle & Cell Division - Question 9
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A: The complete disintegration of the nuclear envelope marks the start of metaphase.

R: Chromosomes are distinct with two chromatids at this stage.
Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 9
Complete disintegration of the nuclear envelope marks the beginning of metaphase chromosomes at this phase have two distinct chromatids.

Assertion Reason Test: Cell Cycle & Cell Division - Question 10
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A: Chiasmata counting stage is diplotene.

R: Dissolution of the synaptonemal complex occurs except at the sites of cross overs.
Detailed Solution for Assertion Reason Test: Cell Cycle & Cell Division - Question 10

Chiasmata represents the site of crossing over.

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